/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/RigVMCompiler/RigVMAST.h
An abstract syntax tree exit expression represents the exit out of an entry expression. In C++ the exit expression is a return from a main function.
class FRigVMExitExprAST : public [FRigVMExprAST](API\Plugins\RigVMDeveloper\RigVMCompiler\FRigVMExprAST)